Finding the Fourth Proportional to 1,269,087,329.56, 1,751,346,853.49 and 793,054,115.80
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Solution
The fourth proportional to 1,269,087,329.56, 1,751,346,853.49 and 793,054,115.80 is: 1,094,418,640.87
Step by Step Solution
- Step 1: Write the proportion equation
1,269,087,329.56 : 1,751,346,853.49 = 793,054,115.80 : x - Step 2: Convert to fraction form
1,269,087,329.56/1,751,346,853.49 = 793,054,115.80/x - Step 3: Cross multiply
1,269,087,329.56x = 1,751,346,853.49 × 793,054,115.80 - Step 4: Simplify right side
1,269,087,329.56x = 1,388,912,830,361,106,176 - Step 5: Solve for x
x = 1,388,912,830,361,106,176/1,269,087,329.56 - Step 6: Final answer
x = 1,094,418,640.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.